Your unhappiness doesn't help anyone else - and in fact, as I mentioned in another answer, happy people are more altruistically inclined. So happiness is not a selfish goal.

If I pretend to myself that I'm different from the way I truly am, I'm going to make choices that won't make me happy.

When Prime Minister Neville Chamberlain's government fell in May 1940, the nation turned to Churchill. At last, his unique qualities were brought to bear on a supreme challenge, and with his unshakable optimism, his heroic vision, and above all, his splendid speeches, Churchill roused the spirit of the British people.

[S]tudies show that one of the best ways to lift your mood is to engineer an easy success, such as tackling a long-delayed chore.

Nothing,' wrote Tolstoy, 'can make our life, or the lives of other people, more beautiful than perpetual kindness.

If you always use your stapler in one place, keep it there, instead of thinking that all the office supplies should go in one place. I've moved a lot of things around in my house because of that.

Money. It's a good servant but a bad master.